public AisMessage CreateMessage(BitArray payload)
{
var type = payload.DecodeByte(0, 5);
if (type != c_type)
{
throw new Exception(string.Format("Incorrect type, expected 19 but present:{0}", type));
}
var timeStamp = DateTime.UtcNow.ToFileTimeUtc();
byte repeatIndicator = payload.DecodeByte(6, 7);
uint mmsi = payload.DecodeUInt32(8, 37);
float sog = (float)payload.DecodeUInt32(46, 55) / 10;
bool posAccuracy = payload.DecodeBool(56);
float longtitude = (float)payload.DecodeFloat(57, 84) / 600000;
float latitude = (float)payload.DecodeFloat(85, 111) / 600000;
float cog = (float)payload.DecodeUInt32(112, 123) / 10;
ushort heading = payload.DecodeUShort(124, 132);
byte utcSeconds = payload.DecodeByte(133, 138);
string vesselName = payload.DecodeString(143, 262).Trim();
ShipType shipType = (ShipType)payload.DecodeByte(263, 270);
uint bow = payload.DecodeUInt32(271, 279);
uint stern = payload.DecodeUInt32(280, 288);
byte port = payload.DecodeByte(289, 294);
byte starboard = payload.DecodeByte(295, 300);
EpfdFixType positionFixType = (EpfdFixType)payload.DecodeByte(301, 304);
bool raim = payload.DecodeBool(305);
bool dataTerminalReady = payload.DecodeBool(306);
bool assigned = payload.DecodeBool(307);
byte spare = payload.DecodeByte(308, 311);
return(new ClassBExtendedPositionReportMessage(
type,
timeStamp,
repeatIndicator,
mmsi,
sog,
posAccuracy,
longtitude,
latitude,
cog,
heading,
utcSeconds,
vesselName,
shipType,
bow,
stern,
port,
starboard,
positionFixType,
raim,
dataTerminalReady,
assigned,
spare));
}
public AisMessage CreateMessage(BitArray payload)
{
var type = payload.DecodeByte(0, 5);
if (type != c_type)
{
throw new Exception(string.Format("Incorrect type, expected 18 but present:{0}", type));
}
var timeStamp = DateTime.UtcNow.ToFileTimeUtc();
byte repeatIndicator = payload.DecodeByte(6, 7);
uint mmsi = payload.DecodeUInt32(8, 37);
float sog = (float)payload.DecodeUInt32(46, 55) / 10;
bool posAccuracy = payload.DecodeBool(56);
float longtitude = (float)payload.DecodeFloat(57, 84) / 600000;
float latitude = (float)payload.DecodeFloat(85, 111) / 600000;
float cog = (float)payload.DecodeUInt32(112, 123) / 10;
ushort heading = payload.DecodeUShort(124, 132);
byte utcSeconds = payload.DecodeByte(133, 138);
CsUnitType csUnit = payload.DecodeBool(141) ? CsUnitType.ClassBCarrierSense : CsUnitType.ClassBSotdma;
bool display = payload.DecodeBool(142);
bool dsc = payload.DecodeBool(143);
bool band = payload.DecodeBool(144);
bool message22 = payload.DecodeBool(145);
bool assigned = payload.DecodeBool(146);
bool raim = payload.DecodeBool(147);
uint radioStatus = payload.DecodeUInt32(148, 167);
return(new ClassBPositionReportMessage(
type,
timeStamp,
repeatIndicator,
mmsi,
sog,
posAccuracy,
longtitude,
latitude,
cog,
heading,
utcSeconds,
raim,
radioStatus,
csUnit,
display,
dsc,
band,
message22,
assigned));
}
public AisMessage CreateMessage(BitArray payload)
{
var type = payload.DecodeByte(0, 5);
if (type != c_type1)
{
throw new Exception($"Incorrect type, expected 4 but present:{type}");
}
var timeStamp = DateTime.UtcNow.ToFileTimeUtc();
byte repeatIndicator = payload.DecodeByte(6, 7);
uint mmsi = payload.DecodeUInt32(8, 37);
uint year = payload.DecodeUInt32(38, 51);
byte month = payload.DecodeByte(52, 55);
byte day = payload.DecodeByte(56, 60);
byte hour = payload.DecodeByte(61, 65);
byte minute = payload.DecodeByte(66, 71);
byte second = payload.DecodeByte(72, 77);
bool posAccuracy = payload.DecodeBool(78);
float longtitude = (float)payload.DecodeFloat(79, 106) / 600000;
float latitude = (float)payload.DecodeFloat(107, 133) / 600000;
EpfdFixType positionFixType = (EpfdFixType)payload.DecodeByte(134, 137);
bool raim = payload.DecodeBool(148);
uint radioStatus = payload.DecodeUInt32(149, 167);
return(new BaseStationReportMessage(
type,
timeStamp,
repeatIndicator,
mmsi,
year,
month,
day,
hour,
minute,
second,
posAccuracy,
longtitude,
latitude,
positionFixType,
raim,
radioStatus));
}
public AisMessage CreateMessage(BitArray payload)
{
var type = payload.DecodeByte(0, 5);
if (type != c_type1 && type != c_type2 && type != c_type3)
{
throw new Exception(string.Format("Incorrect type, expected 1,2,3 but present:{0}", type));
}
var timeStamp = DateTime.UtcNow.ToFileTimeUtc();
byte repeatIndicator = payload.DecodeByte(6, 7);
uint mmsi = payload.DecodeUInt32(8, 37);
NavigationStatus navStatus = (NavigationStatus)payload.DecodeByte(38, 41);
int rot = payload.DecodeInt32(42, 49);
float sog = (float)payload.DecodeUInt32(50, 59) / 10;
bool posAccuracy = payload.DecodeBool(60);
float longtitude = (float)payload.DecodeFloat(61, 88) / 600000;
float latitude = (float)payload.DecodeFloat(89, 115) / 600000;
float cog = (float)payload.DecodeUInt32(116, 127) / 10;
ushort heading = payload.DecodeUShort(128, 136);
byte utcSeconds = payload.DecodeByte(137, 142);
ManeuverIndicator manuevrIndicator = (ManeuverIndicator)payload.DecodeByte(143, 144);
byte spare = payload.DecodeByte(145, 147);
bool raim = payload.DecodeBool(148);
uint radioStatus = payload.DecodeUInt32(149, 167);
return(new ClassAPositionReportMessage(
type,
timeStamp,
repeatIndicator,
mmsi,
navStatus,
rot,
sog,
posAccuracy,
longtitude,
latitude,
cog,
heading,
utcSeconds,
manuevrIndicator,
spare,
raim,
radioStatus));
}
public AisMessage CreateMessage(BitArray payload)
{
var type = payload.DecodeByte(0, 5);
if (type != c_type1)
{
throw new Exception(string.Format("Incorrect type, expected 27 but present:{0}", type));
}
var timeStamp = DateTime.UtcNow.ToFileTimeUtc();
byte repeatIndicator = payload.DecodeByte(6, 7);
uint mmsi = payload.DecodeUInt32(8, 37);
bool posAccuracy = payload.DecodeBool(38);
bool raim = payload.DecodeBool(39);
NavigationStatus navStatus = (NavigationStatus)payload.DecodeByte(40, 43);
float longtitude = (float)payload.DecodeFloat(44, 61) / 600000;
float latitude = (float)payload.DecodeFloat(62, 78) / 600000;
float sog = (float)payload.DecodeUInt32(79, 84) / 10;
float cog = (float)payload.DecodeUInt32(85, 93) / 10;
bool gnss = payload.DecodeBool(94);
bool spare = payload.DecodeBool(95);
return(new ClassAPositionReportLongRangeMessage(
type,
timeStamp,
repeatIndicator,
mmsi,
posAccuracy,
raim,
navStatus,
longtitude,
latitude,
sog,
cog,
gnss,
spare));
}
